Unionpay for Yii 2.0
The preferred way to install this extension is through composer.
Either run
php composer.phar require --prefer-dist geekdawns/yii2-unionpay "*"
or add
"geekdawns/yii2-unionpay": "*"
to the require section of your composer.json file.
Once the extension is installed, simply use it in your code by :
<?= \geekdawns\unionpay\AutoloadExample::widget(); ?>```